General telecom

General telecom

Terms relating to telecommunication or communication through technological means.

Industry: Telecommunications

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General telecom

Articulation index

Telecommunications; General telecom

A measure of the intelligibility of voice signals, expressed as a percentage of speech units that are understood by the listener when heard out of context. Note: The articulation index is affected by ...

Confidence

Telecommunications; General telecom

A measure of the security of a trusted function, or a set of trusted functions, as calculated by a competent authority. Note: For HMG purposes, the Head of the Certification Body of the UK Scheme is ...

Resolution

Telecommunications; General telecom

A measure of the ability of a lens or optical system to form separate and distinct images of two objects with small angular separation. Note 1: An optical system cannot form a perfect image of a ...

Selectivity

Telecommunications; General telecom

A measure of the ability of a receiver to discriminate between a wanted signal on one frequency and unwanted signals on other frequencies.

Timing tracking accuracy

Telecommunications; General telecom

A measure of the ability of a timing synchronisation system to minimise the clock difference between a master clock and any slaved clock.

Resettability

Telecommunications; General telecom

A measure of the ability to duplicate controllable conditions. Note: An example of resettability is the ability to reset the frequency controls of radio equipment.

Absorption index

Telecommunications; General telecom

A measure of the attenuation caused by absorption of energy per unit of distance that occurs in an electromagnetic wave of given wavelength propagating in a material medium of given refractive index. ...